Analysis of Pressure-drop Function in Rankine Space Power Boilers with Discussion of Flow Maldistribution Implications |
Common terms and phrases
analysis average heat-transfer coefficient boiler exit boiler tube boiling length boiling region boiling tube boundary condition calculated choked nozzle CONTINUE counterflow boiler DTSH EBOIL effect ELPH ELSH EPLUG equation ESHP EXIT QUALITY flow in plug flow maldistribution fraction of design gradients for vapor heat flux heat transfer heating fluid heating-fluid flow heating-fluid inlet temperature hydraulic diameter increase inlet temperature design input variables ITERATION KCMAX KQUAL KSPR lb/ft³ MERCURY BOILER multivalued multivalued function negative-slope region orifice overall average heat-transfer PLNTU plug insert plug length plug region preheat length preheat region pressure drop pressure gradient pressure-drop characteristic pressure-drop function PSAT psia rated flow Ratio of pressure region at design saturation pressure saturation temperature superheat length superheat region swirl-wire region temperature design value Tsat tube length vapor at rated vapor density variation water boiler WhCh WHDG working-fluid flow working-fluid inlet temperature ΔΡ